Cells and the human body

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Across
  1. 3. Connect bones
  2. 5. Helps the body move
  3. 6. Keep body together
  4. 7. It can keep you warm and is produced by eating
  5. 8. The organ that is vital to your breathing
  6. 10. Process in which the cells obtain energy
Down
  1. 1. The building block of living things
  2. 2. System that breaks down food
  3. 4. Connects muscle to bone
  4. 9. First site of digestion